Program.cs

using Microsoft.EntityFrameworkCore;
using SmartTaskManager.Data;
using SmartTaskManager.Interfaces;
using SmartTaskManager.Repositories;
using SmartTaskManager.Services;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddControllersWithViews();

builder.Services.AddDbContext<SmartTaskManagerDbContext>(options =>
    options.UseSqlServer(
        builder.Configuration.GetConnectionString("DefaultConnection")));

builder.Services.AddScoped<IRoleRepository, RoleRepository>();
builder.Services.AddScoped<IRoleService, RoleService>();

builder.Services.AddScoped<IDepartmentRepository, DepartmentRepository>();
builder.Services.AddScoped<IDepartmentService, DepartmentService>();

builder.Services.AddScoped<IUserRepository, UserRepository>();
builder.Services.AddScoped<IUserService, UserService>();

builder.Services.AddScoped<ITaskRepository, TaskRepository>();
builder.Services.AddScoped<ITaskService, TaskService>();

builder.Services.AddScoped<IPriorityRepository, PriorityRepository>();
builder.Services.AddScoped<IPriorityService, PriorityService>();

builder.Services.AddSession(options =>
{
    options.IdleTimeout = TimeSpan.FromMinutes(30);
    options.Cookie.HttpOnly = true;
});

var app = builder.Build();

if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Home/Error");
    app.UseHsts();
}

app.UseHttpsRedirection();
app.UseRouting();

app.UseSession();
app.UseAuthorization();

app.MapStaticAssets();

app.MapControllerRoute(
    name: "default",
    pattern: "{controller=Login}/{action=Index}/{id?}")
    .WithStaticAssets();

app.Run();